It is feeling very good about yourself in the others presence. If you do not, it is not true love.
It is a perception felt differently and in different degrees by different people. It cannot be defined what is not constant.
Living Out Vivacious Emotions
"Some people are worth melting for" - Olaf the Snowman. Right there. I think when you have a thought like that, you're feeling "love" for someone :)
Not as well as one plus one,loving oneself is a pale shadow of loving another.
its like an itching in the heart